The word fraction comes from the Latin frangere (to break). A fraction is simply a broken number!
The word Triskaidekaphobic describes a person afraid of the number 13! A superstition which goes back to ancient times!
The hair at the crown of your head grows out either clockwise or anti-clockwise. The direction is usually an inherited trait! Which way does yours grow?
A honeycomb has a hexagonal structure because this is mathematically the best way of packing together lots of individuals cells, with no gaps, to give the biggest space and using as little wax as possible. Clever bees!
Take any long strip of paper and tie an ordinary knot in it. If you then pull it just tight enough you can flatten it neatly. Now hold the paper up to the light to see a regular pentagon in the knot.